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Injection therapy of leg veins (sclerotherapy) |
Visible veins on the legs are very common, and can be categorised as:
- spider veins (small veins like a piece of cotton)
- reticular veins (a little larger and blue/green in colour), or
- varicose veins, which bulge above the skin surface.
Dilated veins often ache, especially with prolonged standing and may be unsightly. These veins carry blood inefficiently and are not necessary for adequate circulation. The causes of abnormal veins are not well understood, but they tend to run in families, are more common in women, are aggravated by being overweight or prolonged standing, and may be made worse by pregnancy or oestrogen hormones.
Vein problems cannot be prevented, but wearing support stockings, maintaining a normal weight, exercising regularly, avoiding constipation and avoiding high heeled shoes may minimise symptoms.
Sclerotherapy
Leg veins can be successfully treated with sclerotherapy. This process requires no anaesthetic and involves injecting a ‘sclerosing’ substance directly into a vein using a very fine needle. This solution irritates the lining of the vein, causing it to swell and block off. A special compression stocking is worn continuously for 3-7 days after each treatment, and walking for 30-40 minutes each day is also essential. Over a period of weeks, the vein fades from view. At least 75% improvement can be expected after a course of treatment.
Dr Graham Ellis is a member of the Australian Sclerotherapy Society
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